Definitions
There is 1 meaning of the phrase
Pelvic Fin.
Pelvic Fin - as a noun
Either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement; correspond to hind limbs of a land vertebrate
Synonyms (Exact Relations)
ventral finExample Sentences
"The pelvic fin helps the fish to maintain balance and allows it to change direction quickly."
"Some species of sharks have greatly extended pelvic fins that resemble wings."
"The pelvic fin of a dolphin is small and attached near its genital slit."
"The pelvic fin is located on the ventral side of a fish's body."
"The pelvic fin of a ray is elongated and helps with propulsion."
